Home / 33,158.34-49,746.62-9,784.78

Finding the Fourth Proportional to 33,158.34, 49,746.62 and 9,784.78

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Solution

The fourth proportional to 33,158.34, 49,746.62 and 9,784.78 is: 14,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.34 : 49,746.62 = 9,784.78 : x
  2. Step 2: Convert to fraction form
    33,158.34/49,746.62 = 9,784.78/x
  3. Step 3: Cross multiply
    33,158.34x = 49,746.62 × 9,784.78
  4. Step 4: Simplify right side
    33,158.34x = 486,759,732.44
  5. Step 5: Solve for x
    x = 486,759,732.44/33,158.34
  6. Step 6: Final answer
    x = 14,679.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.